274485456 has 120 divisors (see below), whose sum is σ = 916578240. Its totient is φ = 78418368.

The previous prime is 274485443. The next prime is 274485461. The reversal of 274485456 is 654584472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14685 + ... + 27651.

It is an arithmetic number, because the mean of its divisors is an integer number (7638152).

Almost surely, 2^274485456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274485456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458289120).

274485456 is an abundant number, since it is smaller than the sum of its proper divisors (642092784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274485456 is a wasteful number, since it uses less digits than its factorization.

274485456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12998 (or 12979 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 274485456 is about 16567.6026026701. The cubic root of 274485456 is about 649.8898874620.

The spelling of 274485456 in words is "two hundred seventy-four million, four hundred eighty-five thousand, four hundred fifty-six".